docs: use python3 for Mac/Linux commands in README

README.md

@@ -7,7 +7,8 @@ Connects Claude Desktop (or any MCP client) to the Cauldron M&A portal.
 ```bash
 git clone https://git.zerotohero.it/Spaike/cauldron-mcp.git
 cd cauldron-mcp
-python setup.py
+python3 setup.py        # Mac / Linux
+python  setup.py        # Windows
 ```
 
 The wizard will:
@@ -31,13 +32,14 @@ Then restart Claude Desktop — done.
 ### Install dependencies
 
 ```bash
-python -m venv .venv
-
 # Mac / Linux
+python3 -m venv .venv
 source .venv/bin/activate
-# Windows
-.venv\Scripts\activate
+pip install mcp httpx
 
+# Windows
+python -m venv .venv
+.venv\Scripts\activate
 pip install mcp httpx
 ```